You could setup multiple instances of nTop on the same box.  Each
instance would re .....  wait, this might not work as easy as I
thought....

OK....  Multiple instances of nTop on the same box.  Each instance has a
unique port for http/https you give to each manager - each instance has
it's own password.  I think each instance will need it's own netflow
device and your core router will send to three destinations - I THINK...
Not sure on this one.

Here's the key.  Use a filter on each instance to process the discrete
network ranges for said instance.  Ntop1 sees network1, Ntop2 sees
network 2, etc.

I haven't tried using the filter with a netflow device, so not sure if
this is even possible.  The only other way I can think of is custom
html/jscript that hides data based on login.  Depending on what version
of IOS you have you MAY be able to do some filtering at the source as
well.  I've seen some crazy things done with loopback interfaces and PBR
to get netflow to meet specific requirements - so there's some trickery
that is possible.

Gary




-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Redder,Greg
Sent: Tuesday, November 06, 2007 12:04 AM
To: [EMAIL PROTECTED]
Subject: [Ntop] Authentication or acccess control to data...


I am feeding flows from a core router into an ntop box.  Thus, this ntop
box has data in it for several departmental networks here at the
University.  Each department has its own network manager.  I'm
interested in providing access for each network manager to his/her data,
but not to other networks.   I'm having a hard time figuring out a way
to do this, if there even is a way, such that a user logs in and is only
able to see the data corresponding their specific /24 and not other /24
networks they don't manage.  I could do this by having one ntop box per
network, but that's not too practical ;-)

Is anyone doing something like this or have any creative ideas?

Thank you -Greg Redder
           Network Analyst
             Colorado State University

========================================================================
=======
Greg Redder                         Academic Computing & Networking
Services
Colorado State University, ACNS     Phone:(970)491-7222  FAX:
(970)491-1958
601 S. Howes, Room 625              E-mail: [EMAIL PROTECTED]
Fort Collins, CO 80523       PGP
Fprint:CD62EAE6227D96FC7C232B16DFE3B5D9B2F64352
========================================================================
=======
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